Home / 314,538.08-434,002.91-199,835.40

Finding the Fourth Proportional to 314,538.08, 434,002.91 and 199,835.40

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Solution

The fourth proportional to 314,538.08, 434,002.91 and 199,835.40 is: 275,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,538.08 : 434,002.91 = 199,835.40 : x
  2. Step 2: Convert to fraction form
    314,538.08/434,002.91 = 199,835.40/x
  3. Step 3: Cross multiply
    314,538.08x = 434,002.91 × 199,835.40
  4. Step 4: Simplify right side
    314,538.08x = 86,729,143,211.52
  5. Step 5: Solve for x
    x = 86,729,143,211.52/314,538.08
  6. Step 6: Final answer
    x = 275,734.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.